12x-39=30+9x

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Solution for 12x-39=30+9x equation:


Simplifying
12x + -39 = 30 + 9x

Reorder the terms:
-39 + 12x = 30 + 9x

Solving
-39 + 12x = 30 + 9x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-9x' to each side of the equation.
-39 + 12x + -9x = 30 + 9x + -9x

Combine like terms: 12x + -9x = 3x
-39 + 3x = 30 + 9x + -9x

Combine like terms: 9x + -9x = 0
-39 + 3x = 30 + 0
-39 + 3x = 30

Add '39' to each side of the equation.
-39 + 39 + 3x = 30 + 39

Combine like terms: -39 + 39 = 0
0 + 3x = 30 + 39
3x = 30 + 39

Combine like terms: 30 + 39 = 69
3x = 69

Divide each side by '3'.
x = 23

Simplifying
x = 23

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